Oil pumping unit calibration tool

Abstract

The utility model discloses an oil pumping unit calibration tool. The technical problem that in the prior art, a calibration tool is low in efficiency is solved. The oil pumping unit calibration tool comprises a support, a puller assembly and a jack. The support comprises a bottom plate and a supporting rod. The puller assembly comprises a puller frame connected with the supporting rod and a puller claw arranged on the puller frame. A through hole is formed in the center of the puller frame, an angle is formed between the puller claw and the puller frame, and the puller claw is used for hooking a base of the oil pumping unit. The piston end of the jack is used for abutting against a cement foundation of the oil pumping unit and extends or contracts along the through hole. Wherein under the condition that the piston end of the jack abuts against the cement foundation of the oil pumping unit and extends, the puller claw hooks the base of the oil pumping unit and drives the base of the oil pumping unit to adjust and move. The base of the oil pumping unit is hooked by the puller claw of the puller assembly, the piston end of the jack extends, the base of the oil pumping unit can move in the direction opposite to the extension direction of the piston end of the jack, and the purpose of machine calibration is achieved through adjustment.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pumping units, and particularly relates to a pumping unit alignment tool. BACKGROUND

[0002] Due to uneven load, workover, natural environment and other reasons, the pumping unit will be offset, and various phenomena such as broken hair braid, light rod disconnection, and packing box leakage will occur, and there are risks of object impact, equipment damage, and environmental pollution.

[0003] In the prior art, the load of the pumping unit is first removed, the pumping unit is hoisted as a whole, and is corrected to a proper position, or the pumping unit is jacked up by a jack, and then the pumping unit is manually moved for adjustment. The current pumping unit alignment tool has low efficiency, high labor intensity, and long time consumption. SUMMARY

[0004] To solve the above technical problems, the application provides a pumping unit alignment tool.

[0005] The technical scheme adopted to achieve the purpose of the application is a pumping unit alignment tool, which comprises:

[0006] A support comprises a bottom plate and two or more support rods arranged circumferentially along the bottom plate, the support rods are arranged at an angle with the bottom plate, and the support rods and the bottom plate enclose an installation cavity;

[0007] A drawbar assembly comprises a drawbar frame connected with the support rods and a drawbar claw arranged on the drawbar frame; the drawbar frame is provided with a through hole in the center, the drawbar claw is arranged at an angle with the drawbar frame, and the drawbar claw is used for hooking the base of the pumping unit;

[0008] A jack is located in the installation cavity and connected with the bottom plate, the piston end of the jack is used for abutting against the cement foundation of the pumping unit, and the jack is elongated or contracted along the through hole;

[0009] When the piston end of the jack abuts against the cement foundation of the pumping unit and is elongated, the drawbar claw hooks the base of the pumping unit and drives the base of the pumping unit to move for adjustment.

[0010] In some embodiments, the drawbar frame comprises at least two drawbar rods and a support leg, the drawbar rods are provided with mounting holes, and one end of the drawbar claw is inserted into the mounting holes and connected and fixed with the drawbar rods by fasteners.

[0011] In some embodiments, the two drawbar rods are arranged at an angle, and the support leg is located on the angle bisector of the included angle between the two drawbar rods.

[0012] In some embodiments, the puller jaw is arranged at an angle with the puller rod.

[0013] In some embodiments, the number of the puller rods is three, which are a first puller rod, a second puller rod and a third puller rod respectively; the number of the support legs is two, which are a first support leg and a second support leg respectively.

[0014] The first puller rod is arranged at an angle with the second puller rod, and the first support leg is located on the angle bisector of the included angle between the first puller rod and the second puller rod.

[0015] The second puller rod is arranged at an angle with the third puller rod, and the second support leg is located on the angle bisector of the included angle between the second puller rod and the third puller rod.

[0016] In some embodiments, the puller jaw comprises, in sequence along the length direction, a hook, a straight rod segment, a smooth rod segment and a threaded segment, the hook being used for hooking the base of the pumping unit.

[0017] The outer diameter of the smooth rod segment is smaller than the inner diameter of the mounting hole.

[0018] The outer diameter of the straight rod segment is greater than the inner diameter of the mounting hole.

[0019] The threaded segment cooperates with a nut to connect and fix the puller jaw with the puller rod.

[0020] In some embodiments, the pumping unit alignment tool further comprises a force distribution plate.

[0021] The force distribution plate comprises an abutment plate and a force receiving plate arranged at an angle, the abutment plate being used for overlapping with the base of the pumping unit.

[0022] One end of the force receiving plate abuts against the base of the pumping unit, and the other end abuts against the piston end of the jack.

[0023] In some embodiments, the force receiving plate is coaxially arranged with the piston end of the jack.

[0024] The cross-sectional area of the force receiving plate is 10-20 times the cross-sectional area of the end face of the piston end of the jack.

[0025] In some embodiments, the base plate is provided with a mounting groove for mounting the jack, and the jack is detachably connected with the base plate.

[0026] In some embodiments, the puller frame is provided with a mounting position connected with the support rod.

[0027] As can be seen from the above technical solution, this application provides a pumping unit calibration tool, including a bracket, a puller assembly, and a jack. The bracket includes a base plate and two or more support rods arranged circumferentially along the base plate. The support rods are angled to the base plate, and the support rods and the base plate together form an installation cavity. The puller assembly includes a puller frame connected to the support rods and a puller claw located on the puller frame. The puller frame has a through hole in its center, and the puller claw is angled to the puller frame and is used to hook the base of the pumping unit. The jack is located in the installation cavity and connected to the base plate. The piston end of the jack is used to abut against the concrete foundation of the pumping unit and extends or retracts along the through hole. When the piston end of the jack abuts against the concrete foundation of the pumping unit and extends, the puller claw hooks the base of the pumping unit and drives the base of the pumping unit to adjust and move. The base of the pumping unit is hooked by the puller claw of the puller assembly. The piston end of the jack extends, and the base of the pumping unit can be displaced in the opposite direction of the extension of the piston end of the jack. The adjustment is made to achieve the purpose of calibration. Compared with the existing technology, it is not necessary to lift the entire pumping unit. Instead, it can be moved directly by the jack, which is simple to operate. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the pumping unit calibration tool structure in an embodiment of this application.

[0029] Figure 2 This application provides a schematic diagram of the structure of the puller frame in an embodiment.

[0030] Figure 3 This application provides a schematic diagram of the structure of the pull rod and nut assembly in an embodiment.

[0031] Figure 4 This application provides a schematic diagram of the structure of the stress-relief plate in an embodiment.

[0032] Figure 5 This application provides a schematic diagram of the structure of the pumping unit calibration tool and its cooperation with the pumping unit in an embodiment.

[0033] Explanation of reference numerals in the attached diagram: 100-Pooling unit calibration tool, 110-Bracket, 111-Base plate, 112-Support rod, 120-Puller assembly, 121-Puller frame, 1211-First puller rod, 1212-Second puller rod, 1213-Third puller rod, 1214-First support leg, 1215-Second support leg, 1216-Through hole, 122-Puller claw, 1221-Hook claw, 1222-Straight rod section, 1223-Smooth rod section, 1224-Threaded section, 123-Nut, 130-Jack, 140-Pressure plate, 141-Abutment plate, 142-Bearing plate. 200-Concrete foundation, 210-Base. Detailed Implementation

[0034] In order for those skilled in the art to which the present application pertains to more clearly understand the present application, the technical solutions of the present application will be described in detail below with specific embodiments in conjunction with the accompanying drawings.

[0035] In the embodiments of the present application, as shown in Figure 1 and Figure 5 , a pumping unit calibration tool 100 includes a support 110, a drawbar assembly 120, and a jack 130. The support 110 includes a bottom plate 111 and two or more support rods 112 arranged circumferentially along the bottom plate 111. The support rods 112 are arranged at an angle with the bottom plate 111, and the support rods 112 and the bottom plate 111 enclose an installation cavity. The drawbar assembly 120 includes a drawbar frame 121 connected with the support rods 112 and a drawbar claw 122 arranged at an angle with the drawbar frame 121. The drawbar claw 122 is used to hook the base of the pumping unit. The jack 130 is located in the installation cavity and connected with the bottom plate 111. The piston end of the jack 130 is used to abut against the cement foundation of the pumping unit and is elongated or contracted along the through hole 1216. In the case that the piston end of the jack 130 abuts against the cement foundation of the pumping unit and is elongated, the drawbar claw 122 hooks the base of the pumping unit and drives the base of the pumping unit to adjustably move.

[0036] The support 110 includes the bottom plate 111 and the support rods 112. The bottom plate 111 and the support rods 112 enclose an installation frame, i.e., a hollow frame, for the jack 130. In some embodiments, the support rods 112 can be steel bars. One end of each support rod 112 is welded with the bottom plate 111. The support rods 112 are arranged at an angle with the bottom plate 111. In some embodiments, the support rods 112 are perpendicular to the bottom plate 111. In some embodiments, five support rods 112 are arranged at the periphery of the bottom plate 111. The bottom plate 111 can be a circular plate or a rectangular plate. In some embodiments, the bottom plate 111 is a circular plate. The five support rods 112 are arranged on the arc surface of the bottom plate 111 and arranged in a circular array on the bottom plate 111, which can improve the overall strength.

[0037] In some embodiments, the jack 130 is a gear type, which can meet the construction work in any direction. In some embodiments, for example, the pumping unit is a 12-type unit, the overall weight of the unit is about 23 tons, and the friction coefficient of the cement foundation is 0.8. In order to ensure the normal use of the jack 130, a 32-ton gear type jack 130 can be selected, which can meet the calibration work of all types of pumping units in the management area. The piston end of the jack 130 is used to abut against the cement foundation of the pumping unit and is elongated or contracted along the through hole 1216, which facilitates the adjustment of the position of the drawbar claw 122. That is, by adjusting the position of the piston end of the jack 130, it is ensured that the piston end of the jack 130 abuts against the cement foundation of the pumping unit and the drawbar claw 122 hooks the base of the pumping unit.

[0038] In some embodiments, the arm length of the pull rod is less than the thickness of the concrete foundation to avoid damaging the ground.

[0039] Therefore, by hooking the base of the pumping unit with the puller claw 122 of the puller assembly 120, the piston end of the jack 130 extends, and the base of the pumping unit can be displaced in the opposite direction of the extension of the piston end of the jack 130, so as to achieve the purpose of machine calibration.

[0040] like Figure 2 As shown, in some embodiments, the puller frame 121 includes at least two puller rods and a support leg. The puller rods have mounting holes, and one end of a puller claw 122 extends into the mounting hole and is connected and fixed to the puller rod by fasteners. In some embodiments, the two puller rods are angled, and the support leg is located on the angle bisector of the included angle between the two puller rods. The support leg can be supported on the ground, and together with the two puller claws 122 of the two puller rods, it hooks onto the base of the pumping unit to form a force-bearing point. When the piston end of the jack 130 extends, the base of the pumping unit can be displaced in the opposite direction of the extension of the piston end of the jack 130, allowing for adjustment to achieve the purpose of machine calibration.

[0041] like Figure 2 As shown, in some other embodiments, there are three pull rods: a first pull rod 1211, a second pull rod 1212, and a third pull rod 1213; and two support legs: a first support leg 1214 and a second support leg 1215. The first pull rod 1211 and the second pull rod 1212 are set at an angle, and the first support leg 1214 is located on the angle bisector of the angle between the first pull rod 1211 and the second pull rod 1212. The second pull rod 1212 and the third pull rod 1213 are set at an angle, and the second support leg 1215 is located on the angle bisector of the angle between the second pull rod 1212 and the third pull rod 1213. This allows for the selection of appropriate pull rod sizes based on the dimensions of different pumping units, followed by the installation of corresponding pull claws 122 for machine calibration.

[0042] like Figure 1 As shown, in some embodiments, the puller claw 122 is angled to the puller rod. This facilitates the installation of the puller claw 122 onto the puller rod and allows it to hook onto the base of the pumping unit.

[0043] like Figure 3As shown in some embodiments, the puller claw 122 includes a claw 1221, a straight rod segment 1222, a light rod segment 1223 and a threaded segment 1224 connected in sequence along the length direction, the claw 1221 is used to hook the base of the pumping unit. The outer diameter of the light rod segment is smaller than the inner diameter of the mounting hole, that is, it can be ensured that the light rod segment can extend into the mounting hole; the outer diameter of the straight rod segment 1222 is greater than the inner diameter of the mounting hole, that is, it can be ensured that the straight rod segment 1222 can form a limit on the outer edge of the mounting hole to prevent the straight rod segment 1222 from falling into the mounting hole; the threaded segment 1224 cooperates with the nut 123 to connect and fix the puller claw 122 with the puller rod. That is, by limiting the straight rod segment 1222 with the mounting hole, the puller claw 122 can be connected and fixed with the puller rod by cooperating the threaded segment 1224 with the nut 123. The length of the puller claw 122 can be set according to actual conditions.

[0044] As shown in some embodiments, Figure 4 and Figure 5 As shown in some embodiments, the pumping unit calibration tool 100 further includes a force dispersion plate 140; the force dispersion plate 140 includes an abutment plate 141 and a force receiving plate 142 arranged at an angle, the abutment plate 141 is used to lap with the base of the pumping unit; the force receiving plate 142 abuts one end of the base of the pumping unit and the other end abuts the piston end of the jack 130. That is, by lapping the abutment plate 141 of the force dispersion plate 140 on the cement foundation, the force receiving plate 142 disperses the force of the jack 130, increases the area of the force of the jack 130 and the cement foundation, thereby protecting the cement foundation.

[0045] As shown in some embodiments, Figure 4 and Figure 5 As shown in some embodiments, the cross-sectional area of the force receiving plate 142 is 10-20 times the cross-sectional area of the end face of the piston end of the jack 130. The force of the jack 130 can be dispersed through the force receiving plate 142 to better protect the cement foundation. In other embodiments, the piston end of the jack 130 is coaxially arranged with the force receiving plate 142. It is ensured that the force receiving point is close to the center of the force dispersion plate 140.

[0046] As shown in some embodiments, Figure 1 and Figure 5 As shown in some embodiments, the bottom plate 111 is provided with a mounting groove for mounting the jack 130, and the jack 130 is detachably connected with the bottom plate 111. The jack 130 is mounted between the puller frame 121 and the support 110, and the jack 130 can be a gear type jack 130. The jack 130 can be fixed between the support 110 and the puller frame 121 by bolts.

[0047] As shown in some embodiments, Figure 1 and Figure 5As shown, in some embodiments, the puller frame 121 is provided with mounting positions connected with the support rods 112, which can be steel bars. One end of each support rod 112 is welded with the bottom plate 111, and the other end is welded with the puller frame 121, i.e. mounted on the corresponding mounting position of the puller frame 121.

[0048] Therefore, during use, the puller frame 121 is fixed between the support frame 110 and the puller frame 121 by bolts, the size of the pumping unit is adjusted according to the requirement, the appropriate puller jaw 122 and the corresponding puller rod are selected, the whole set of tools is supported on the ground by the support legs, the dispersion plate 140 is installed between the piston end of the jack 130 and the vertical surface of the cement foundation, the puller jaw 122 hooks the pumping unit base, and when the piston end of the jack 130 extends, the pumping unit base can drive the whole pumping unit to move in the opposite direction of the extension of the piston end, so as to achieve the purpose of adjusting the pumping unit.

[0049] Therefore, the thickness of the bottom plate 111 is preferably 5 mm, and the four support rods 112 are optimized to bear a pulling force of more than 32 tons. The yield value of the four support rods 112 meets the force requirement, and can also meet the requirement when the force is uneven. The thickness of the cement foundation in the management area is about 400 mm and 600 mm, and the arm span size is relatively long and needs to damage the ground, so the arm span length of the puller frame is preferably designed to be 180-220 mm, which can meet the use requirement of all cement foundations in the management area. After measuring the width of the front of the pumping unit base, the width is about 19-40 mm, which can be controlled by different angles to lower the stress point and protect the cement foundation. In order to ensure the frequent use requirement of the puller jaw, the puller jaw strength can be ensured by using 45# steel, which is high-quality carbon structural steel with higher strength and anti-deformation ability. The distance between the edge of the cement foundation and the pumping unit base is measured to be 80-450 mm, and the length of one size of puller jaw 122 cannot meet the on-site adjustment requirement; therefore, puller jaws 122 of multiple sizes can be designed. The extension length of the jack can be 180-220 mm, for example, the size of the puller jaw can be 200 mm, 300 mm, 400 mm or 500 mm in length, and the preferred length is 200 mm and 500 mm, which can meet the requirements of various models. The dispersion plate disperses the stress at the extension end of the jack, and protects the cement foundation from being damaged; through calculation and test, a 250 mm dispersion plate is selected, which can make the stress point close to the center of the dispersion plate, and can achieve better protection of the cement foundation. During on-site use, the jack is horizontally stressed, and if the upward stress is too large, the tail of the device will be upwardly tilted; by processing the top surface of the jack, the jack can be processed into an inclined surface, so that the stress direction of the jack is upwardly inclined, and the stress of the jack is more stable. Finally, the unique pumping unit adjustment tool suitable for the management area is designed

[0050] Through the above embodiments, the present application has the following beneficial effects or advantages:

[0051] The pumping unit calibrating tool 100 of the present application has simple structure and strong field usability. When the piston end of the jack 130 extends, the pumping unit base can drive the whole pumping unit to displace in the opposite direction of the piston end extension, and the calibration purpose is achieved by adjustment.

[0052] While the preferred embodiments of the application have been described, additional modifications and changes can occur to persons skilled in the art upon reading the preceding description. It is therefore desired to be included in the appended claims as additional embodiments of the present application and all modifications and changes which fall within the scope of the present application.

[0053] Obviously, various modifications and changes can be made to the present application by those of ordinary skill in the art without departing from the spirit and scope of the application. Accordingly, it is intended that the present application embrace all such modifications and changes as fall within the scope of the claims and their equivalents.

Claims

1. A pumping unit alignment tool, characterized by, The utility model relates to a pumping unit alignment tool, comprising: a bracket, including a bottom plate and two or more support rods arranged circumferentially along the bottom plate, the support rods being arranged at an angle to the bottom plate, and the support rods and the bottom plate enclosing a mounting cavity; a drawbar assembly, including a drawbar frame connected to the support rods and a drawbar claw provided on the drawbar frame, the drawbar frame being provided with a through hole in the center, the drawbar claw being arranged at an angle to the drawbar frame, and the drawbar claw being used to hook the base of the pumping unit; a jack, located in the mounting cavity and connected to the bottom plate, the piston end of the jack being used to abut against the cement foundation of the pumping unit and being elongated or contracted along the through hole; wherein, when the piston end of the jack abuts against the cement foundation of the pumping unit and is elongated, the drawbar claw hooks the base of the pumping unit and drives the base of the pumping unit to move.

2. The pumping unit alignment tool of claim 1, wherein, The drawbar frame includes at least two drawbar rods and a support leg, the drawbar rods being provided with mounting holes, one end of the drawbar claw being inserted into the mounting holes and being connected and fixed to the drawbar rods by fasteners.

3. The pumping unit alignment tool of claim 2, wherein, The two drawbar rods are arranged at an angle, and the support leg is located on the angle bisector of the included angle between the two drawbar rods.

4. The pumping unit alignment tool of claim 2, wherein, The drawbar claw is arranged at an angle to the drawbar rods.

5. The pumping unit alignment tool of claim 2, wherein, The number of drawbar rods is three, including a first drawbar rod, a second drawbar rod and a third drawbar rod; the number of support legs is two, including a first support leg and a second support leg. The first drawbar rod and the second drawbar rod are arranged at an angle, and the first support leg is located on the angle bisector of the included angle between the first drawbar rod and the second drawbar rod. The second drawbar rod and the third drawbar rod are arranged at an angle, and the second support leg is located on the angle bisector of the included angle between the second drawbar rod and the third drawbar rod.

6. The pumping unit alignment tool of any of claims 2-4, wherein, The drawbar claw includes a claw, a straight rod segment, a polished rod segment and a threaded segment connected in sequence along the length direction, the claw being used to hook the base of the pumping unit. The outer diameter of the polished rod segment is smaller than the inner diameter of the mounting hole. The outer diameter of the straight rod segment is larger than the inner diameter of the mounting hole. The threaded segment cooperates with a nut to connect and fix the drawbar claw to the drawbar rods.

7. The pumping unit alignment tool of any one of claims 1-4, wherein, The pumping unit alignment tool further includes a force distribution plate. The force distribution plate includes an abutment plate and a force receiving plate arranged at an angle, the abutment plate being used to overlap the base of the pumping unit; one end of the force receiving plate being used to abut against the base of the pumping unit, and the other end abutting against the piston end of the jack.

8. The pumping unit alignment tool of claim 7, wherein, The force receiving plate is coaxially arranged with the piston end of the jack. The cross-sectional area of the force receiving plate is 10-20 times the cross-sectional area of the end face of the piston end of the jack.

9. The pumping unit alignment tool of any one of claims 1-4, wherein, The bottom plate is provided with a mounting groove for mounting the jack, and the jack is detachably connected to the bottom plate.

10. The pumping unit alignment tool of any one of claims 1-4, wherein, The drawbar frame is provided with a mounting position connected to the support rods.

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